Respuesta :

PeshwaBajirao42

let the third factor be a

(x+1)(x-2)(a)=2x^3-x^2-5x-2

(x^2-x-2)(a)=2x^3-x^2-5x-2

a=(2x^3-x^2-5x-2)/(x^2-x-2)

a=2x+1

third zero = -1/2

HOPE THIS WILL HELP U

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